842773843 has 16 divisors (see below), whose sum is σ = 939110400. Its totient is φ = 753207840.

The previous prime is 842773801. The next prime is 842773847. The reversal of 842773843 is 348377248.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 842773843 - 2¹⁷ = 842642771 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 842773793 and 842773802.

It is not an unprimeable number, because it can be changed into a prime (842773847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298 + ... + 41056.

It is an arithmetic number, because the mean of its divisors is an integer number (58694400).

Almost surely, 2^842773843 is an apocalyptic number.

842773843 is a deficient number, since it is larger than the sum of its proper divisors (96336557).

842773843 is a wasteful number, since it uses less digits than its factorization.

842773843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40842.

The product of its digits is 903168, while the sum is 46.

The square root of 842773843 is about 29030.5673902526. The cubic root of 842773843 is about 944.5762376874.

The spelling of 842773843 in words is "eight hundred forty-two million, seven hundred seventy-three thousand, eight hundred forty-three".